5. A train travels from City X to City Y at a speed of 21 kmph, while on its return journey the train was travelling at speed of 28 kmph. Find the average speed of the train.

24

24.5

26

26.5

None of These

Explanation:

"Let x be the speed of the train while going from City X to Y.
Let y be the speed of the train while going from City Y to X.
Average speed of the train is given by = 2xy/(x+y)
Average speed = (2 x 21 x 28) / (21 + 28 )
Average speed = 24"

8. What should come in place of X in the below number series?
83, 54, X , -4, -33

24

25

26

27

None of These

Explanation:

Solution is
The given series is 83, 54, X , -4, -33
Consecutive numbers decreases by 29
Following this pattern, the Missing Number X should decrease by 29 from the previous number
When we subract 29 to the number before X (i.e 54)
we get 54 - 29 = 25

10. Statements: A Corporate General Manager asked four managers to either submit their resignations by the next day or face termination orders from service. Three of them had submitted their resignations by that evening.

Conclusion I : The next day, the remaining manager would also resign.

Conclusion II : The General Manager would terminate his services the next day.

If only Conclusion I follows

If only Conclusion II follows

If either I or II follows

If neither I nor II follows

If both I and II follow

Explanation:

Solution is

It is mentioned in the statement that either the managers should resign by the next day or their services would be terminated.

12. Two liquids A and B are mixed together in the ratio 2 : 3. The average cost of liquid B is Rs 30 per liter and the average cost of the mixture is Rs. 25 per liter, then find the average cost of liquid A per liter.

13. A cistern can be filled by pipes A and B in 4 hrs and 6 hrs respectively. When full, the tank can be emptied by pipe C in 8 hrs. If all the taps were turned on at the same time, then the cistern will be full in

3 hrs 18 min

3 hrs 26 min

3 hrs 42 min

3 hrs 48 min

None of these

Explanation:

In one hour ? + 1/6 ? 1/8 = 7/24 of the cistern will be filled.
While cistern will be filled in 24/7 hours = 3hrs + 60 x (3/7) minutes
3 hrs and 26 minutes

Read the following passage carefully and answer the questions given below. Certain words/phrases have been printed in bold to help you locate them.

The recurrence of a major earthquake on May 12 — this time measuring 7.3 on the Richter scale — with its epicentre near Kodari in Nepal, barely a fortnight after the devastating temblor in the landlocked country, has once again raised questions about preparedness for such disasters in the subcontinent. India is divided into five seismic zones, with Zone 5 being the most active and earthquake-prone. The Himalayan regions, the Assam and Burma region, and the Bhuj region in the west fall in this category. While the time of occurrence of a big earthquake cannot be predicted accurately with existing technology, the foreknowledge of potential danger areas can help mitigate the impact of a disaster. The reason for earthquakes occurring in Nepal is knvvown: the movement of the Indian tectonic plate against the Eurasian plate. Along the Himalayas lie two fault-lines: the Main Boundary Thrust and the Main Central Thrust. Running parallel to the Himalayan ranges to a width of 100 km to 120 km, this region has a history of earthquakes. In the last 120 years, there have been four major events: 1897 (Shillong), 1905 (Himachal Pradesh, Kangra), 1934 (Nepal-Bihar border), 1950 (Arunachal Pradesh, then a part of the North East Frontier Agency or NEFA).

The movement of the Indian tectonic plate against the Eurasian plate has created accumulated stress. This stress is released in a manner that makes predicting earthquakes impossible. When a major event happens, part of the stress is released at that point but accumulates in a different part of the belt. Thus there is no natural escape for the region from susceptibility to earthquakes. The best-laid plans for disaster mitigation following quakes can go awry, but some lessons can be learnt from the past. However, as the gap between the occurrence of major earthquakes in a given region could stretch over more than a lifespan, memories can fade and mitigation plans may not be grounded in lived experience. The real advancement that has been made recently in India is, for instance, the setting up of many seismological stations, especially after the Bhuj earthquake of 2001. Measurements from these stations and global positioning system data now tell us the Indian plate is moving north at a speed of 5 metres a year. This would contribute to stress accumulation and to seismic activity even in Zones 2, 3 and 4. We need to accept earthquakes as a reality and do everything in our power to redefine development plans, especially in terms of building quake-resistant buildings. There should be systematic resort to “disaster drills” to educate the public on what to do during an earthquake. Preparedness is the key to managing any more such disasters.

19. Which of the following is not true according to the passage?
A) There is no natural escape for the region from susceptibility to earthquakes
B) India has set up many seismological equipments after Bhuj quake 2001.
C) The prediction of earthquake is not possible but the foreknowledge of the big disaster can help mitigate the aftereffect

Given below five statements, arrange them in the proper order and answer the following questions based on it.
(A) It is fixed on Tuesday.
(B) We have, therefore, called him for intenview.
(C) Due to his illness he lost that job.
(D) Ramesh was working in a factory.
(E) Hence, he has applied for a job in my office

27. A letter lock consists of 4 rings, each ring contains 9 non-zero digits. This lock can be opened by setting a 4 digit code with the proper combination of each of the 4 rings Maximum how many codes can be formed to open the lock?

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